I grew up on movies and on video games, and love and respect what they bring to the table. Though I enjoy them on different levels, they both have given me moments of wonder and serious reflection. As an avid gamer and film lover, I find it a shame to see how one medium has gained artistic acceptance while the other continues to be derided by the mainstream. There are many reasons why they are looked down upon, but if you give them a shot, you just might conclude that video games should be considered art.
Michael Mirasol (via Matt Zoller Seitz) has written up a great defense for videogames in the "Can videogames be art?" debate: